// Created on: 2000-06-16
// Copyright (c) 2000-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <Graphic3d_ArrayOfPrimitives.hxx>
#include <Standard_OutOfRange.hxx>

#include <gp_Dir.hxx>
#include <gp_Pnt.hxx>

inline const Handle(Graphic3d_IndexBuffer)& Graphic3d_ArrayOfPrimitives::Indices() const
{
  return myIndices;
}

inline const Handle(Graphic3d_Buffer)& Graphic3d_ArrayOfPrimitives::Attributes() const
{
  return myAttribs;
}

inline const Handle(Graphic3d_BoundBuffer)& Graphic3d_ArrayOfPrimitives::Bounds() const
{
  return myBounds;
}

inline Graphic3d_TypeOfPrimitiveArray Graphic3d_ArrayOfPrimitives::Type() const
{
  return myType;
}

inline Standard_Boolean Graphic3d_ArrayOfPrimitives::HasVertexNormals() const
{
  return myVNor != 0;
}

inline Standard_Boolean Graphic3d_ArrayOfPrimitives::HasVertexColors() const
{
  return myVCol != 0;
}

inline Standard_Boolean Graphic3d_ArrayOfPrimitives::HasVertexTexels() const
{
  return myVTex != 0;
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::VertexNumber() const
{
  return !myAttribs.IsNull() ? myAttribs->NbElements : -1;
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const gp_Pnt& theVertex)
{
  return AddVertex (theVertex.X(), theVertex.Y(), theVertex.Z());
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const Graphic3d_Vec3& theVertex)
{
  return AddVertex (theVertex.x(), theVertex.y(), theVertex.z());
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const Standard_Real theX,
                                                                const Standard_Real theY,
                                                                const Standard_Real theZ)
{
  return AddVertex (RealToShortReal (theX),
                    RealToShortReal (theY),
                    RealToShortReal (theZ));
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const gp_Pnt& theVertex,
                                                                const gp_Dir& theNormal)
{
  return AddVertex (theVertex.X(), theVertex.Y(), theVertex.Z(),
                    theNormal.X(), theNormal.Y(), theNormal.Z());
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const Standard_Real theX,  const Standard_Real theY,  const Standard_Real theZ,
                                                                const Standard_Real theNX, const Standard_Real theNY, const Standard_Real theNZ)
{
  return AddVertex (RealToShortReal (theX),  RealToShortReal (theY),  RealToShortReal (theZ),
                    Standard_ShortReal (theNX), Standard_ShortReal (theNY), Standard_ShortReal (theNZ));
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const gp_Pnt&   theVertex,
                                                                const gp_Pnt2d& theTexel)
{
  return AddVertex (theVertex.X(), theVertex.Y(), theVertex.Z(),
                    theTexel.X(), theTexel.Y());
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const Standard_Real theX,  const Standard_Real theY,  const Standard_Real theZ,
                                                                const Standard_Real theTX, const Standard_Real theTY)
{
  return AddVertex (RealToShortReal (theX),  RealToShortReal (theY),  RealToShortReal (theZ),
                    Standard_ShortReal (theTX), Standard_ShortReal (theTY));
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const gp_Pnt&   theVertex,
                                                                const gp_Dir&   theNormal,
                                                                const gp_Pnt2d& theTexel)
{
  return AddVertex (theVertex.X(), theVertex.Y(), theVertex.Z(),
                    theNormal.X(), theNormal.Y(), theNormal.Z(),
                    theTexel.X(),  theTexel.Y());
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::AddVertex (const Standard_Real theX,  const Standard_Real theY,  const Standard_Real theZ,
                                                                const Standard_Real theNX, const Standard_Real theNY, const Standard_Real theNZ,
                                                                const Standard_Real theTX, const Standard_Real theTY)
{
  return AddVertex (RealToShortReal (theX),  RealToShortReal (theY),  RealToShortReal (theZ),
                    Standard_ShortReal (theNX), Standard_ShortReal (theNY), Standard_ShortReal (theNZ),
                    Standard_ShortReal (theTX), Standard_ShortReal (theTY));
}

inline void Graphic3d_ArrayOfPrimitives::SetVertice (const Standard_Integer   theIndex,
                                                     const Standard_ShortReal theX,
                                                     const Standard_ShortReal theY,
                                                     const Standard_ShortReal theZ)
{
  if (myAttribs.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myMaxVertexs)
  {
    Standard_OutOfRange::Raise ("BAD VERTEX index");
  }

  Graphic3d_Vec3& aVec = myAttribs->ChangeValue<Graphic3d_Vec3> (theIndex - 1);
  aVec.x() = theX;
  aVec.y() = theY;
  aVec.z() = theZ;

  myAttribs->NbElements = Max (theIndex, myAttribs->NbElements);
}

inline void Graphic3d_ArrayOfPrimitives::SetVertexColor (const Standard_Integer theIndex,
                                                         const Standard_Real    theR,
                                                         const Standard_Real    theG,
                                                         const Standard_Real    theB)
{
  if (myAttribs.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myMaxVertexs)
  {
    Standard_OutOfRange::Raise ("BAD VERTEX index");
  }

  if (myVCol != 0)
  {
    Graphic3d_Vec4ub aColor (Standard_Byte(theR * 255.0),
                             Standard_Byte(theG * 255.0),
                             Standard_Byte(theB * 255.0), 0);
    SetVertexColor (theIndex, *reinterpret_cast<Standard_Integer*>(&aColor));
  }
  myAttribs->NbElements = Max (theIndex, myAttribs->NbElements);
}

inline void Graphic3d_ArrayOfPrimitives::SetVertexNormal (const Standard_Integer theIndex,
                                                          const Standard_Real    theNX,
                                                          const Standard_Real    theNY,
                                                          const Standard_Real    theNZ)
{
  if (myAttribs.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myMaxVertexs)
  {
    Standard_OutOfRange::Raise ("BAD VERTEX index");
  }

  if (myVNor != 0)
  {
    Graphic3d_Vec3& aVec = *reinterpret_cast<Graphic3d_Vec3* >(myAttribs->changeValue (theIndex - 1) + size_t(myVNor));
    aVec.x() = Standard_ShortReal (theNX);
    aVec.y() = Standard_ShortReal (theNY);
    aVec.z() = Standard_ShortReal (theNZ);
  }
  myAttribs->NbElements = Max (theIndex, myAttribs->NbElements);
}

inline void Graphic3d_ArrayOfPrimitives::SetVertexTexel (const Standard_Integer theIndex,
                                                         const Standard_Real    theTX,
                                                         const Standard_Real    theTY)
{
  if (myAttribs.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myMaxVertexs)
  {
    Standard_OutOfRange::Raise ("BAD VERTEX index");
  }

  if (myVTex != 0)
  {
    Graphic3d_Vec2& aVec = *reinterpret_cast<Graphic3d_Vec2* >(myAttribs->changeValue (theIndex - 1) + size_t(myVTex));
    aVec.x() = Standard_ShortReal (theTX);
    aVec.y() = Standard_ShortReal (theTY);
  }
  myAttribs->NbElements = Max (theIndex, myAttribs->NbElements);
}

inline void Graphic3d_ArrayOfPrimitives::SetBoundColor (const Standard_Integer theIndex,
                                                        const Standard_Real    theR,
                                                        const Standard_Real    theG,
                                                        const Standard_Real    theB)
{
  if (myBounds.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myMaxBounds)
  {
    Standard_OutOfRange::Raise ("BAD BOUND index");
  }

  Graphic3d_Vec4& aVec = myBounds->Colors[theIndex - 1];
  aVec.r() = Standard_ShortReal (theR);
  aVec.g() = Standard_ShortReal (theG);
  aVec.b() = Standard_ShortReal (theB);
  aVec.a() = 1.0f;
  myBounds->NbBounds = Max (theIndex, myBounds->NbBounds);
}

inline void Graphic3d_ArrayOfPrimitives::Vertice (const Standard_Integer theIndex,
                                                  Standard_Real&         theX,
                                                  Standard_Real&         theY,
                                                  Standard_Real&         theZ) const
{
  theX = theY = theZ = 0.0;
  if (myAttribs.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myAttribs->NbElements)
  {
    Standard_OutOfRange::Raise ("BAD VERTEX index");
  }

  const Graphic3d_Vec3& aVec = myAttribs->Value<Graphic3d_Vec3> (theIndex - 1);
  theX = Standard_Real(aVec.x());
  theY = Standard_Real(aVec.y());
  theZ = Standard_Real(aVec.z());
}

inline void Graphic3d_ArrayOfPrimitives::VertexColor (const Standard_Integer theIndex,
                                                      Standard_Real&         theR,
                                                      Standard_Real&         theG,
                                                      Standard_Real&         theB) const
{
  theR = theG = theB = 0.0;
  if (myAttribs.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myAttribs->NbElements)
  {
    Standard_OutOfRange::Raise ("BAD VERTEX index");
  }
  Standard_Integer aColorInt = 0;
  VertexColor (theIndex, aColorInt);
  const Graphic3d_Vec4ub& aColor = *reinterpret_cast<const Graphic3d_Vec4ub* >(aColorInt);
  theR = Standard_Real(aColor.r()) / 255.0;
  theG = Standard_Real(aColor.g()) / 255.0;
  theB = Standard_Real(aColor.b()) / 255.0;
}

inline void Graphic3d_ArrayOfPrimitives::VertexColor (const Standard_Integer theIndex,
                                                      Standard_Integer&      theColor) const
{
  if (myVCol != 0)
  {
    theColor = *reinterpret_cast<const Standard_Integer* >(myAttribs->value (theIndex - 1) + size_t(myVCol));
  }
}

inline void Graphic3d_ArrayOfPrimitives::VertexNormal (const Standard_Integer theIndex,
                                                       Standard_Real&         theNX,
                                                       Standard_Real&         theNY,
                                                       Standard_Real&         theNZ) const
{
  theNX = theNY = theNZ = 0.0;
  if (myAttribs.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myAttribs->NbElements)
  {
    Standard_OutOfRange::Raise ("BAD VERTEX index");
  }

  if (myVNor != 0)
  {
    const Graphic3d_Vec3& aVec = *reinterpret_cast<const Graphic3d_Vec3* >(myAttribs->value (theIndex - 1) + size_t(myVNor));
    theNX = Standard_Real(aVec.x());
    theNY = Standard_Real(aVec.y());
    theNZ = Standard_Real(aVec.z());
  }
}

inline void Graphic3d_ArrayOfPrimitives::VertexTexel (const Standard_Integer theIndex,
                                                      Standard_Real&         theTX,
                                                      Standard_Real&         theTY) const
{
  theTX = theTY = 0.0;
  if (myAttribs.IsNull())
  {
    return;
  }

  if (theIndex < 1
   || theIndex > myAttribs->NbElements)
  {
    Standard_OutOfRange::Raise ("BAD VERTEX index");
  }

  if (myVTex != 0)
  {
    const Graphic3d_Vec2& aVec = *reinterpret_cast<const Graphic3d_Vec2* >(myAttribs->value (theIndex - 1) + size_t(myVTex));
    theTX = Standard_Real(aVec.x());
    theTY = Standard_Real(aVec.y());
  }
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::EdgeNumber() const
{
  return !myIndices.IsNull() ? myIndices->NbElements : -1;
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::Edge (const Standard_Integer theIndex) const
{
  if (myIndices.IsNull()
   || theIndex <= 0
   || theIndex > myIndices->NbElements)
  {
    Standard_OutOfRange::Raise ("BAD EDGE index");
  }
  return Standard_Integer(myIndices->Index (theIndex - 1) + 1);
}

inline Standard_Boolean Graphic3d_ArrayOfPrimitives::HasBoundColors() const
{
  return !myBounds.IsNull() && myBounds->Colors != NULL;
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::BoundNumber() const
{
  return !myBounds.IsNull() ? myBounds->NbBounds : -1;
}

inline Standard_Integer Graphic3d_ArrayOfPrimitives::Bound (const Standard_Integer theIndex) const
{
  if (myBounds.IsNull()
   || theIndex <= 0
   || theIndex > myBounds->NbBounds)
  {
    Standard_OutOfRange::Raise ("BAD BOUND index");
  }
  return myBounds->Bounds[theIndex - 1];
}

inline void Graphic3d_ArrayOfPrimitives::BoundColor (const Standard_Integer theIndex,
                                                     Standard_Real&         theR,
                                                     Standard_Real&         theG,
                                                     Standard_Real&         theB) const
{
  if (myBounds.IsNull()
   || myBounds->Colors == NULL
   || theIndex <= 0
   || theIndex > myBounds->NbBounds)
  {
    Standard_OutOfRange::Raise(" BAD BOUND index");
  }

  const Graphic3d_Vec4& aVec = myBounds->Colors[theIndex - 1];
  theR = Standard_Real(aVec.r());
  theG = Standard_Real(aVec.g());
  theB = Standard_Real(aVec.b());
}